2005-04-22 22:09:39 +01:00
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#ifndef EGLSURFACE_INCLUDED
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#define EGLSURFACE_INCLUDED
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#include "egltypedefs.h"
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#include "egldisplay.h"
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/**
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* "Base" class for device driver surfaces.
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*/
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struct _egl_surface
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{
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/* A surface is a display resource */
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_EGLResource Resource;
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/* The context that is currently bound to the surface */
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_EGLContext *CurrentContext;
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_EGLConfig *Config;
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EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */
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/* attributes set by attribute list */
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EGLint Width, Height;
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EGLenum TextureFormat;
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EGLenum TextureTarget;
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EGLBoolean MipmapTexture;
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EGLBoolean LargestPbuffer;
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EGLenum RenderBuffer;
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EGLenum VGAlphaFormat;
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EGLenum VGColorspace;
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/* attributes set by eglSurfaceAttrib */
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EGLint MipmapLevel;
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EGLenum MultisampleResolve;
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EGLenum SwapBehavior;
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EGLint HorizontalResolution, VerticalResolution;
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EGLint AspectRatio;
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EGLint SwapInterval;
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/* True if the surface is bound to an OpenGL ES texture */
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EGLBoolean BoundToTexture;
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};
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2010-01-05 13:39:15 +00:00
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PUBLIC EGLBoolean
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_eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
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_EGLConfig *config, const EGLint *attrib_list);
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extern EGLBoolean
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_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
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extern EGLBoolean
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_eglCopyBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLNativePixmapType target);
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extern EGLBoolean
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_eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value);
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extern _EGLSurface *
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_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, EGLNativeWindowType window, const EGLint *attrib_list);
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extern _EGLSurface *
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_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, EGLNativePixmapType pixmap, const EGLint *attrib_list);
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extern _EGLSurface *
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_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, const EGLint *attrib_list);
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extern EGLBoolean
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_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
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extern EGLBoolean
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_eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint value);
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extern EGLBoolean
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_eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
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extern EGLBoolean
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_eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
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extern EGLBoolean
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_eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
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2006-01-30 00:10:55 +00:00
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#ifdef EGL_VERSION_1_2
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extern _EGLSurface *
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_eglCreatePbufferFromClientBuffer(_EGLDriver *drv, _EGLDisplay *dpy,
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EGLenum buftype, EGLClientBuffer buffer,
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_EGLConfig *conf, const EGLint *attrib_list);
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#endif /* EGL_VERSION_1_2 */
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/**
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* Return true if there is a context bound to the surface.
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*
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* The binding is considered a reference to the surface. Drivers should not
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* destroy a surface when it is bound.
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*/
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static INLINE EGLBoolean
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_eglIsSurfaceBound(_EGLSurface *surf)
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{
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return (surf->CurrentContext != NULL);
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}
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2006-01-30 00:10:55 +00:00
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2010-01-24 12:32:34 +00:00
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/**
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* Link a surface to a display and return the handle of the link.
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* The handle can be passed to client directly.
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*/
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static INLINE EGLSurface
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_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
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{
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_eglLinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE, dpy);
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return (EGLSurface) surf;
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}
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/**
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* Unlink a linked surface from its display.
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* Accessing an unlinked surface should generate EGL_BAD_SURFACE error.
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*/
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static INLINE void
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_eglUnlinkSurface(_EGLSurface *surf)
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{
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_eglUnlinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE);
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}
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/**
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* Lookup a handle to find the linked surface.
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* Return NULL if the handle has no corresponding linked surface.
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*/
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static INLINE _EGLSurface *
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_eglLookupSurface(EGLSurface surface, _EGLDisplay *dpy)
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{
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_EGLSurface *surf = (_EGLSurface *) surface;
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if (!dpy || !_eglCheckResource((void *) surf, _EGL_RESOURCE_SURFACE, dpy))
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surf = NULL;
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return surf;
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}
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/**
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* Return the handle of a linked surface, or EGL_NO_SURFACE.
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*/
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static INLINE EGLSurface
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_eglGetSurfaceHandle(_EGLSurface *surf)
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{
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_EGLResource *res = (_EGLResource *) surf;
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return (res && _eglIsResourceLinked(res)) ?
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(EGLSurface) surf : EGL_NO_SURFACE;
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}
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/**
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* Return true if the surface is linked to a display.
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*
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* The link is considered a reference to the surface (the display is owning the
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* surface). Drivers should not destroy a surface when it is linked.
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*/
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static INLINE EGLBoolean
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_eglIsSurfaceLinked(_EGLSurface *surf)
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{
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_EGLResource *res = (_EGLResource *) surf;
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return (res && _eglIsResourceLinked(res));
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}
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2005-04-22 22:09:39 +01:00
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#endif /* EGLSURFACE_INCLUDED */
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